Delete all your data
- Click the Chrome menu
on the browser toolbar.
- Select Tools.
- Select Clear browsing data.
- In the dialog that appears, select the checkboxes for the types of information that you want to remove.
- Use the menu at the top to select the amount of data that you want to delete. Select beginning of time to delete everything.
- Click Clear browsing data.
Delete specific items from your browsing data
Instead of deleting entire categories of your browsing data, you can pick specific items to delete. Click these links to see more instructions.surce http://support.google.com/chrome/bin/answer.py?hl=en&answer=95582